Mike can you tell me if this will benefit my 135is ? And why? I'd be happy to buy one today

Also if you accept paypal?

Yes we take paypal..

The OCC eliminates a lot of the oil that is in the intake track. It eventually coats all the surfaces including the FMIC, reducing its efficiency and air flow. If you take your charge pipe off or FMIC piping off you will be shocked with how much oil is in there. Its actually scary.